Neurotransmitters move by active transport across the synaptic cleft
____________________ Indicate whether the statement is true or false.
False - diffusion
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Maxillae are used to bite and grind food
____________________ Indicate whether the statement is true or false.
The nitrogen in your body came from the
A. proteins in the food you eat. B. carbohydrates in the food you eat. C. air you breathe. D. water you drink.
Which of the following statements about the monomers and polymers found in living organisms is false?
A) Cells typically make all of their macromolecules from a set of 40-50 common monomers and a few other ingredients that are rare. B) The monomers used to make polymers are essentially universal. C) Monomers serve as building blocks for polymers. D) Monomers are joined together by the process of hydrolysis.
Because of Chargaffs rules if the order of the bases on one strand of DNA is known the order of bases on the other strand can be predicted
a. true b. false